To provide a pulverized coal burner capable of adjusting an air volume with a simple structure and a simple control system, reducing equipment costs and further suppressing generation of NOx.

This pulverized coal burner comprises a nozzle main body 6 opened toward a furnace 1 and jetting pulverized coal with the combustion air, and a secondary air adjusting device 33. The secondary air adjusting device is composed of an auxiliary air adjusting mechanism 15 receiving a nozzle main body tip portion, and a main air adjusting mechanism 16 concentrically multiply-disposed at an outer side of an auxiliary air adjusting mechanism. An auxiliary air volume adjusting blade 19 is disposed on an auxiliary air intake port 42 of the auxiliary air adjusting mechanism, a secondary air volume adjusting blade 23 is disposed on a secondary air intake port 45 of the main air adjusting mechanism, the auxiliary air volume adjusting blade is fixed at an angle within a range of opening angles of 0-30, and the secondary air volume adjusting blade is rotatable.